There's a coterie of six-figure professionals who have been waiting for this car, their dental office parking lots and showcase home driveways pining without end for the facelifted 2014 Mercedes-Benz E-Class Cabriolet. Mercedes lists the Cadillac CTS Coupe and Audi A5 among the competitive set in the premium medium-size segment, but we feel that's a bit like telling an alien visitor to our planet, "Yes, Lake Superior, Loch Lochy and the liquid in my bathtub are all freshwater bodies of water loc